The phrase "about their rate" is correct and usable in written English.
It can be used when discussing the pricing or fees associated with a service or product provided by someone or an organization.
Example: "We need to have a conversation about their rate for the consulting services they offer."
Alternatives: "regarding their pricing" or "concerning their fees".
"I was skeptical about their rate of survival because they all came in at two millimeters, when they're pretty vulnerable," Mr. Malinowski said.
Commercially available ECM scaffolds have considerable variability with regards to tissue origin and methods of processing, and little is known about their rate of degradation and the fate of their degradation products.
The pattern was also repeated for searches for 'Himalayan glaciers' following the revelation in 2010 of a mistake about their rate of melting in a report from the Intergovernmental Panel on Climate Change (IPCC).
But if men had their monthlies, the "boys" would probably be bragging about their rate of flow.
It also calls on producers and retailers to better educate the public about their rating and labeling systems.
Prices vary according to the size and importance of the customer (Rupert Murdoch does not pay top whack), and satellite operators are highly secretive about their rates.
The group that placed the ad has been calling local television stations to inquire about their rates in recent days, explaining itself as an organization that is pushing Ms. Palin through Facebook.
Another idea to poll banks twice daily about their rates, rather than just once in the morning, will "create more difficult issues than it solves," a different official said.
And one of the things that is nice about their rates, the people that were hurt the worst by these zero interest rates and -- when President Obama had an economy that was -- it was the worst comeback since the Great Depression and all that, you've all heard that.
Although not all nurses in the study were asked about their rates of pay, there appeared to be some marked differences between practices.
They suggested that while each are likely to be important to women, current estimates about their rates meant that harms and benefits were closely balanced; in this situation, qualitative differences between the two made it impossible for experts to draw exact conclusions about where and when equipoise arose.
